78262660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{809}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 188334720

約数和(自身を除く): 110072060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 809, 1382, 1618, 2764, 3236, 3455, 4045, 4837, 5663, 6910, 8090, 9674, 11326, 13820, 16180, 19348, 22652, 24185, 28315, 48370, 56630, 96740, 113260, 559019, 1118038, 2236076, 2795095, 3913133, 5590190, 7826266, 11180380, 15652532, 19565665, 39131330, 78262660]

約数ペア:

[(1, 78262660), (2, 39131330), (4, 19565665), (5, 15652532), (7, 11180380), (10, 7826266), (14, 5590190), (20, 3913133), (28, 2795095), (35, 2236076), (70, 1118038), (140, 559019), (691, 113260), (809, 96740), (1382, 56630), (1618, 48370), (2764, 28315), (3236, 24185), (3455, 22652), (4045, 19348), (4837, 16180), (5663, 13820), (6910, 11326), (8090, 9674)]